A) Insecta B) Diplopoda C) Malacostraca D) Arachnida
A) Shrimp B) Barnacle C) Crayfish D) Lobster
A) Endoskeleton B) Shellac C) Exoskeleton D) Carapace
A) Dungeness crab B) Japanese spider crab C) Blue crab D) Coconut crab
A) Reproduction B) Camouflage C) Molting D) Hibernation
A) Ghost shrimp B) Alaskan king crab C) Pistol shrimp D) Rock crab
A) Chelipeds B) Pereopods C) Uropods D) Scaphognathite
A) Crayfish B) Lobster C) King crab D) Shrimp
A) Dungeness crab B) Coconut crab C) Horseshoe crab D) Snow crab
A) Chelipeds B) Maxillipeds C) Swimmerets D) Uropods
A) 4 B) 8 C) 6 D) 10
A) Carcinology B) Arachnology C) Malacology D) Entomology
A) Carnivora B) Primates C) Artiodactyla D) Decapoda
A) Rock crab B) Mantis shrimp C) Ghost shrimp D) Pistol shrimp
A) Plankton B) Small fish C) Detritus D) Algae
A) Fox B) Bear C) Crawfish D) Wolf
A) Invertebrates without exoskeletons B) Those with shells or crusted ones C) Animals with multiple legs D) Small aquatic animals
A) Phylum Annelida B) Order Araneae C) Class Insecta D) Subphylum Crustacea
A) Chelicerata B) Arachnida C) Mandibulata D) Pancrustacea
A) Remipedia B) Oligostracans C) Cephalocarida D) Branchiopoda
A) Giant freshwater prawn B) Japanese spider crab C) American lobster D) Stygotantulus stocki
A) Biramous limbs B) Moulting process C) Segmented body D) Exoskeleton
A) Haemocoel B) Peritoneum C) Mesentery D) Coelom
A) Cytochrome c B) Myoglobin C) Haemocyanin D) Hemoglobin
A) India B) China C) USA D) Japan
A) Triassic B) Jurassic C) Carboniferous D) Cretaceous
A) Anostracans B) Copepods C) Female Branchiura D) Peracarids
A) Nurra B) Ophiomorpha C) Tesnusocaris D) Camborygma
A) Lobsters B) Shrimp and prawns C) Crabs D) Krill
A) Copepoda B) Mystacocarida C) Maxillipoda D) Branchiura
A) Malacostraca B) Remipedia C) Branchiopoda D) Maxillopoda
A) Cambrian B) Permian C) Cretaceous D) Jurassic
A) Morten Thrane Brünnich B) Pierre Belon C) Guillaume Rondelet D) Carl Linnaeus
A) Canadaspidida B) Leptostraca C) Aeschronectida D) Mantis shrimp
A) Woodlice B) Krill C) Crustacean lice D) Peracarids
A) Malacostraca B) Maxillopoda C) Branchiopoda D) Cephalocarida
A) Cretaceous B) Jurassic C) Permian: Roadian D) Triassic
A) Crustaceans reproduce through fragmentation. B) Eggs are fertilized externally in the water. C) Viable eggs are produced by a female without fertilization by a male. D) Males and females switch roles during reproduction.
A) Absorbing nutrients B) Excreting waste C) Grinding food D) Oxygenating blood
A) At the base of the antennae B) Within the cephalothorax C) In the abdomen D) Near the dorsum
A) Spore formation B) Budding C) Sexual reproduction D) Binary fission
A) T. californicus B) Hemigrapsus sanguineus C) Cephalocarida D) Eriocheir sinensis
A) Branchiopoda B) Malacostraca C) Ostracoda D) Maxillopoda
A) Base excision repair B) Non-homologous end joining C) Homologous recombinational repair D) Microhomology-mediated end joining
A) Post-larva B) Megalopa C) Zoea D) Nauplius
A) Under 30% B) Over 60% C) About 50% D) Nearly 80%
A) All appendages in all classes B) No appendages C) Second pair of antennae and other limbs except the first pair D) First pair of antennae only
A) They have external fertilization in open water. B) Some are hermaphrodites. C) They reproduce only through parthenogenesis. D) They change sex during their life.
A) Penaeus monodon B) Homarus americanus C) Tigriopus japonicus D) Daphnia pulex
A) Attached to the pleopods B) In external ovisacs C) In thin-walled sacs D) Between thoracic limbs
A) Legs for walking B) Abdominal appendages C) Mouthparts for feeding D) Antennae for sensing
A) Carboniferous B) Jurassic C) Triassic D) Cambrian
A) They affect local ecosystems. B) They increase biodiversity. C) They have no noticeable effect. D) They improve water quality.
A) Marine lobsters B) Coral reef fish C) Terrestrial crabs D) Deep-sea shrimp
A) Over 100,000 B) About 50,000 C) Less than 10,000 D) Almost 67,000
A) Serve as sensory organs B) Increase speed during swimming C) Provide camouflage against predators D) Assist in maintaining directional swimming
A) Chitin B) Protein fibers C) Isoxanthopterin D) Calcium carbonate
A) Ghost shrimps B) Crabs C) Crayfishes D) Prawns
A) Desert B) Aquatic C) Aerial D) Terrestrial only
A) Jurassic B) Cretaceous C) Carboniferous D) Triassic |